Cli.env.kind: def of shake@0.7.0.0
Import: import shake@0.7.0.0/src/cli.bend as Cli
Lines 1584-1597 of shake@0.7.0.0/src/cli.bend: https://jend.leeeet.dev/read.txt?path=shake@0.7.0.0/src/cli.bend&start_line=1584&end_line=1597

import Base

# the default an env value gives an argument of this kind: a flag is set
# unless the value turns it off; every other kind takes the value
def env.kind(kk: ArgKind, +vv: String) -> Maybe<&2, String>:
  match kk:
    case Flag{}:
      Bool.pick(Maybe<&2, String>, env.off(vv), None{}, Some{"true"})
    case Opt{}:
      Some{vv}
    case Many{}:
      Some{vv}
    case Pos{}:
      Some{vv}
    case Rest{}:
      Some{vv}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=shake@0.7.0.0/src/cli.bend&name=ArgKind
  https://jend.leeeet.dev/definition.txt?path=shake@0.7.0.0/src/cli.bend&name=env.off